diff options
Diffstat (limited to 'lib/mlibc/options/internal/aarch64/fenv.S')
-rw-r--r-- | lib/mlibc/options/internal/aarch64/fenv.S | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/lib/mlibc/options/internal/aarch64/fenv.S b/lib/mlibc/options/internal/aarch64/fenv.S deleted file mode 100644 index 1b02e87..0000000 --- a/lib/mlibc/options/internal/aarch64/fenv.S +++ /dev/null @@ -1,69 +0,0 @@ -# The functions below are taken from musl. -.global fegetround -.type fegetround,%function -fegetround: - mrs x0, fpcr - and w0, w0, #0xc00000 - ret - -.global __fesetround -.hidden __fesetround -.type __fesetround,%function -__fesetround: - mrs x1, fpcr - bic w1, w1, #0xc00000 - orr w1, w1, w0 - msr fpcr, x1 - mov w0, #0 - ret - -.global fetestexcept -.type fetestexcept,%function -fetestexcept: - and w0, w0, #0x1f - mrs x1, fpsr - and w0, w0, w1 - ret - -.global feclearexcept -.type feclearexcept,%function -feclearexcept: - and w0, w0, #0x1f - mrs x1, fpsr - bic w1, w1, w0 - msr fpsr, x1 - mov w0, #0 - ret - -.global feraiseexcept -.type feraiseexcept,%function -feraiseexcept: - and w0, w0, #0x1f - mrs x1, fpsr - orr w1, w1, w0 - msr fpsr, x1 - mov w0, #0 - ret - -.global fegetenv -.type fegetenv,%function -fegetenv: - mrs x1, fpcr - mrs x2, fpsr - stp w1, w2, [x0] - mov w0, #0 - ret - -// TODO preserve some bits -.global fesetenv -.type fesetenv,%function -fesetenv: - mov x1, #0 - mov x2, #0 - cmn x0, #1 - b.eq 1f - ldp w1, w2, [x0] -1: msr fpcr, x1 - msr fpsr, x2 - mov w0, #0 - ret |